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          VD47 / VD64 / VD90 / VD110 / VD140 / VD200 / VD255

          ??????~?????

          T2N: 14 NM-2000 NM

          ??p???

          ?ι???4 / 5 / 7 / 10

          ?p????20 / 25 / 30 / 35 / 40 / 50 / 70 /100

          ?????

          ?ι?????1arcmin / ??3arcmin / ??5arcmin??P0/P1/P2)

          ?p??????3arcmin / ??5arcmin / ??7arcmin??P0/P1/P2)

          ???Ч??

          ?ι????R 97%

          ?p?????R 94%

          ????é???

          30000h










          大发黄金城